修改文件结构。

POP/03/Exercise03.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+int nextMonth(int currentMonth, int lastMonthAdult, int lastMonthChild) {
+    if (currentMonth == 7) {
+        return lastMonthAdult + lastMonthChild;
+    }
+    else {
+        return nextMonth(currentMonth + 1, lastMonthAdult + lastMonthChild, lastMonthAdult);
+    }
+}
+
+int main() {
+    int sheepCount = 0;
+    sheepCount = nextMonth(1,0,2);
+    printf("Number of sheep: %d\nValue: %d", sheepCount, sheepCount*10);
+    return 0;
+}